[deliverable/linux.git] / drivers / staging / rtl8192e / ieee80211 / ieee80211_softmac_wx.c

/* IEEE 802.11 SoftMAC layer
 * Copyright (c) 2005 Andrea Merello <andreamrl@tiscali.it>
 *
 * Mostly extracted from the rtl8180-sa2400 driver for the
 * in-kernel generic ieee802.11 stack.
 *
 * Some pieces of code might be stolen from ipw2100 driver
 * copyright of who own it's copyright ;-)
 *
 * PS wx handler mostly stolen from hostap, copyright who
 * own it's copyright ;-)
 *
 * released under the GPL
 */


#include "ieee80211.h"
#ifdef ENABLE_DOT11D
#include "dot11d.h"
#endif
/* FIXME: add A freqs */

const long ieee80211_wlan_frequencies[] = {
	2412, 2417, 2422, 2427,
	2432, 2437, 2442, 2447,
	2452, 2457, 2462, 2467,
	2472, 2484
};


int ieee80211_wx_set_freq(struct ieee80211_device *ieee, struct iw_request_info *a,
			     union iwreq_data *wrqu, char *b)
{
	int ret;
	struct iw_freq *fwrq = & wrqu->freq;

	down(&ieee->wx_sem);

	if(ieee->iw_mode == IW_MODE_INFRA){
		ret = -EOPNOTSUPP;
		goto out;
	}

	/* if setting by freq convert to channel */
	if (fwrq->e == 1) {
		if ((fwrq->m >= (int) 2.412e8 &&
		     fwrq->m <= (int) 2.487e8)) {
			int f = fwrq->m / 100000;
			int c = 0;

			while ((c < 14) && (f != ieee80211_wlan_frequencies[c]))
				c++;

			/* hack to fall through */
			fwrq->e = 0;
			fwrq->m = c + 1;
		}
	}

	if (fwrq->e > 0 || fwrq->m > 14 || fwrq->m < 1 ){
		ret = -EOPNOTSUPP;
		goto out;

	}else { /* Set the channel */

#ifdef ENABLE_DOT11D
		if (!(GET_DOT11D_INFO(ieee)->channel_map)[fwrq->m]) {
			ret = -EINVAL;
			goto out;
		}
#endif
		ieee->current_network.channel = fwrq->m;
		ieee->set_chan(ieee->dev, ieee->current_network.channel);

		if(ieee->iw_mode == IW_MODE_ADHOC || ieee->iw_mode == IW_MODE_MASTER)
			if(ieee->state == IEEE80211_LINKED){

			ieee80211_stop_send_beacons(ieee);
			ieee80211_start_send_beacons(ieee);
			}
	}

	ret = 0;
out:
	up(&ieee->wx_sem);
	return ret;
}


int ieee80211_wx_get_freq(struct ieee80211_device *ieee,
			     struct iw_request_info *a,
			     union iwreq_data *wrqu, char *b)
{
	struct iw_freq *fwrq = & wrqu->freq;

	if (ieee->current_network.channel == 0)
		return -1;
	//NM 0.7.0 will not accept channel any more.
	fwrq->m = ieee80211_wlan_frequencies[ieee->current_network.channel-1] * 100000;
	fwrq->e = 1;
//	fwrq->m = ieee->current_network.channel;
//	fwrq->e = 0;

	return 0;
}

int ieee80211_wx_get_wap(struct ieee80211_device *ieee,
			    struct iw_request_info *info,
			    union iwreq_data *wrqu, char *extra)
{
	unsigned long flags;
	wrqu->ap_addr.sa_family = ARPHRD_ETHER;

	if (ieee->iw_mode == IW_MODE_MONITOR)
		return -1;

	/* We want avoid to give to the user inconsistent infos*/
	spin_lock_irqsave(&ieee->lock, flags);

	if (ieee->state != IEEE80211_LINKED &&
		ieee->state != IEEE80211_LINKED_SCANNING &&
		ieee->wap_set == 0)

		memset(wrqu->ap_addr.sa_data, 0, ETH_ALEN);
	else
		memcpy(wrqu->ap_addr.sa_data,
		       ieee->current_network.bssid, ETH_ALEN);

	spin_unlock_irqrestore(&ieee->lock, flags);

	return 0;
}


int ieee80211_wx_set_wap(struct ieee80211_device *ieee,
			 struct iw_request_info *info,
			 union iwreq_data *awrq,
			 char *extra)
{

	int ret = 0;
	u8 zero[] = {0,0,0,0,0,0};
	unsigned long flags;

	short ifup = ieee->proto_started;//dev->flags & IFF_UP;
	struct sockaddr *temp = (struct sockaddr *)awrq;

	ieee->sync_scan_hurryup = 1;

	down(&ieee->wx_sem);
	/* use ifconfig hw ether */
	if (ieee->iw_mode == IW_MODE_MASTER){
		ret = -1;
		goto out;
	}

	if (temp->sa_family != ARPHRD_ETHER){
		ret = -EINVAL;
		goto out;
	}

	if (ifup)
		ieee80211_stop_protocol(ieee);

	/* just to avoid to give inconsistent infos in the
	 * get wx method. not really needed otherwise
	 */
	spin_lock_irqsave(&ieee->lock, flags);

	memcpy(ieee->current_network.bssid, temp->sa_data, ETH_ALEN);
	ieee->wap_set = memcmp(temp->sa_data, zero,ETH_ALEN)!=0;

	spin_unlock_irqrestore(&ieee->lock, flags);

	if (ifup)
		ieee80211_start_protocol(ieee);
out:
	up(&ieee->wx_sem);
	return ret;
}

 int ieee80211_wx_get_essid(struct ieee80211_device *ieee, struct iw_request_info *a,union iwreq_data *wrqu,char *b)
{
	int len,ret = 0;
	unsigned long flags;

	if (ieee->iw_mode == IW_MODE_MONITOR)
		return -1;

	/* We want avoid to give to the user inconsistent infos*/
	spin_lock_irqsave(&ieee->lock, flags);

	if (ieee->current_network.ssid[0] == '\0' ||
		ieee->current_network.ssid_len == 0){
		ret = -1;
		goto out;
	}

	if (ieee->state != IEEE80211_LINKED &&
		ieee->state != IEEE80211_LINKED_SCANNING &&
		ieee->ssid_set == 0){
		ret = -1;
		goto out;
	}
	len = ieee->current_network.ssid_len;
	wrqu->essid.length = len;
	strncpy(b,ieee->current_network.ssid,len);
	wrqu->essid.flags = 1;

out:
	spin_unlock_irqrestore(&ieee->lock, flags);

	return ret;

}

int ieee80211_wx_set_rate(struct ieee80211_device *ieee,
			     struct iw_request_info *info,
			     union iwreq_data *wrqu, char *extra)
{

	u32 target_rate = wrqu->bitrate.value;

	ieee->rate = target_rate/100000;
	//FIXME: we might want to limit rate also in management protocols.
	return 0;
}


int ieee80211_wx_get_rate(struct ieee80211_device *ieee,
			     struct iw_request_info *info,
			     union iwreq_data *wrqu, char *extra)
{
	u32 tmp_rate;
#if 0
	printk("===>mode:%d, halfNmode:%d\n", ieee->mode, ieee->bHalfWirelessN24GMode);
	if (ieee->mode & (IEEE_A | IEEE_B | IEEE_G))
		tmp_rate = ieee->rate;
	else if (ieee->mode & IEEE_N_5G)
		tmp_rate = 580;
	else if (ieee->mode & IEEE_N_24G)
	{
		if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
			tmp_rate = HTHalfMcsToDataRate(ieee, 15);
		else
			tmp_rate = HTMcsToDataRate(ieee, 15);
	}
#else
	tmp_rate = TxCountToDataRate(ieee, ieee->softmac_stats.CurrentShowTxate);

#endif
	wrqu->bitrate.value = tmp_rate * 500000;

	return 0;
}


int ieee80211_wx_set_rts(struct ieee80211_device *ieee,
			     struct iw_request_info *info,
			     union iwreq_data *wrqu, char *extra)
{
	if (wrqu->rts.disabled || !wrqu->rts.fixed)
		ieee->rts = DEFAULT_RTS_THRESHOLD;
	else
	{
		if (wrqu->rts.value < MIN_RTS_THRESHOLD ||
				wrqu->rts.value > MAX_RTS_THRESHOLD)
			return -EINVAL;
		ieee->rts = wrqu->rts.value;
	}
	return 0;
}

int ieee80211_wx_get_rts(struct ieee80211_device *ieee,
			     struct iw_request_info *info,
			     union iwreq_data *wrqu, char *extra)
{
	wrqu->rts.value = ieee->rts;
	wrqu->rts.fixed = 0;	/* no auto select */
	wrqu->rts.disabled = (wrqu->rts.value == DEFAULT_RTS_THRESHOLD);
	return 0;
}
int ieee80211_wx_set_mode(struct ieee80211_device *ieee, struct iw_request_info *a,
			     union iwreq_data *wrqu, char *b)
{

	ieee->sync_scan_hurryup = 1;

	down(&ieee->wx_sem);

	if (wrqu->mode == ieee->iw_mode)
		goto out;

	if (wrqu->mode == IW_MODE_MONITOR){

		ieee->dev->type = ARPHRD_IEEE80211;
	}else{
		ieee->dev->type = ARPHRD_ETHER;
	}

	if (!ieee->proto_started){
		ieee->iw_mode = wrqu->mode;
	}else{
		ieee80211_stop_protocol(ieee);
		ieee->iw_mode = wrqu->mode;
		ieee80211_start_protocol(ieee);
	}

out:
	up(&ieee->wx_sem);
	return 0;
}

#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
void ieee80211_wx_sync_scan_wq(struct work_struct *work)
{
        struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, wx_sync_scan_wq);
#else
void ieee80211_wx_sync_scan_wq(struct ieee80211_device *ieee)
{
#endif
	short chan;
	HT_EXTCHNL_OFFSET chan_offset=0;
	HT_CHANNEL_WIDTH bandwidth=0;
	int b40M = 0;
	static int count = 0;
	chan = ieee->current_network.channel;
	netif_carrier_off(ieee->dev);

	if (ieee->data_hard_stop)
		ieee->data_hard_stop(ieee->dev);

	ieee80211_stop_send_beacons(ieee);

	ieee->state = IEEE80211_LINKED_SCANNING;
	ieee->link_change(ieee->dev);
	ieee->InitialGainHandler(ieee->dev,IG_Backup);
	if (ieee->pHTInfo->bCurrentHTSupport && ieee->pHTInfo->bEnableHT && ieee->pHTInfo->bCurBW40MHz) {
		b40M = 1;
		chan_offset = ieee->pHTInfo->CurSTAExtChnlOffset;
		bandwidth = (HT_CHANNEL_WIDTH)ieee->pHTInfo->bCurBW40MHz;
		printk("Scan in 40M, force to 20M first:%d, %d\n", chan_offset, bandwidth);
		ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20, HT_EXTCHNL_OFFSET_NO_EXT);
		}
	ieee80211_start_scan_syncro(ieee);
	if (b40M) {
		printk("Scan in 20M, back to 40M\n");
		if (chan_offset == HT_EXTCHNL_OFFSET_UPPER)
			ieee->set_chan(ieee->dev, chan + 2);
		else if (chan_offset == HT_EXTCHNL_OFFSET_LOWER)
			ieee->set_chan(ieee->dev, chan - 2);
		else
			ieee->set_chan(ieee->dev, chan);
		ieee->SetBWModeHandler(ieee->dev, bandwidth, chan_offset);
	} else {
		ieee->set_chan(ieee->dev, chan);
	}

	ieee->InitialGainHandler(ieee->dev,IG_Restore);
	ieee->state = IEEE80211_LINKED;
	ieee->link_change(ieee->dev);
	// To prevent the immediately calling watch_dog after scan.
	if(ieee->LinkDetectInfo.NumRecvBcnInPeriod==0||ieee->LinkDetectInfo.NumRecvDataInPeriod==0 )
	{
		ieee->LinkDetectInfo.NumRecvBcnInPeriod = 1;
		ieee->LinkDetectInfo.NumRecvDataInPeriod= 1;
	}
	if (ieee->data_hard_resume)
		ieee->data_hard_resume(ieee->dev);

	if(ieee->iw_mode == IW_MODE_ADHOC || ieee->iw_mode == IW_MODE_MASTER)
		ieee80211_start_send_beacons(ieee);

	netif_carrier_on(ieee->dev);
	count = 0;
	up(&ieee->wx_sem);

}

int ieee80211_wx_set_scan(struct ieee80211_device *ieee, struct iw_request_info *a,
			     union iwreq_data *wrqu, char *b)
{
	int ret = 0;

	down(&ieee->wx_sem);

	if (ieee->iw_mode == IW_MODE_MONITOR || !(ieee->proto_started)){
		ret = -1;
		goto out;
	}

	if ( ieee->state == IEEE80211_LINKED){
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
		queue_work(ieee->wq, &ieee->wx_sync_scan_wq);
#else
		schedule_task(&ieee->wx_sync_scan_wq);
#endif
		/* intentionally forget to up sem */
		return 0;
	}

out:
	up(&ieee->wx_sem);
	return ret;
}

int ieee80211_wx_set_essid(struct ieee80211_device *ieee,
			      struct iw_request_info *a,
			      union iwreq_data *wrqu, char *extra)
{

	int ret=0,len;
	short proto_started;
	unsigned long flags;

	ieee->sync_scan_hurryup = 1;
	down(&ieee->wx_sem);

	proto_started = ieee->proto_started;

	if (wrqu->essid.length > IW_ESSID_MAX_SIZE){
		ret= -E2BIG;
		goto out;
	}

	if (ieee->iw_mode == IW_MODE_MONITOR){
		ret= -1;
		goto out;
	}

	if(proto_started)
		ieee80211_stop_protocol(ieee);


	/* this is just to be sure that the GET wx callback
	 * has consisten infos. not needed otherwise
	 */
	spin_lock_irqsave(&ieee->lock, flags);

	if (wrqu->essid.flags && wrqu->essid.length) {
		//first flush current network.ssid
		len = ((wrqu->essid.length-1) < IW_ESSID_MAX_SIZE) ? (wrqu->essid.length-1) : IW_ESSID_MAX_SIZE;
#if LINUX_VERSION_CODE <  KERNEL_VERSION(2,6,20)
		strncpy(ieee->current_network.ssid, extra, len);
		ieee->current_network.ssid_len = len;
#if 0
		{
			int i;
			for (i=0; i<len; i++)
				printk("%c ", extra[i]);
			printk("\n");
		}
#endif
#else
		strncpy(ieee->current_network.ssid, extra, len+1);
		ieee->current_network.ssid_len = len+1;
#if 0
		{
			int i;
			for (i=0; i<len + 1; i++)
				printk("%c ", extra[i]);
			printk("\n");
		}
#endif
#endif
		ieee->ssid_set = 1;
	}
	else{
		ieee->ssid_set = 0;
		ieee->current_network.ssid[0] = '\0';
		ieee->current_network.ssid_len = 0;
	}
	spin_unlock_irqrestore(&ieee->lock, flags);

	if (proto_started)
		ieee80211_start_protocol(ieee);
out:
	up(&ieee->wx_sem);
	return ret;
}

 int ieee80211_wx_get_mode(struct ieee80211_device *ieee, struct iw_request_info *a,
			     union iwreq_data *wrqu, char *b)
{

	wrqu->mode = ieee->iw_mode;
	return 0;
}

 int ieee80211_wx_set_rawtx(struct ieee80211_device *ieee,
			       struct iw_request_info *info,
			       union iwreq_data *wrqu, char *extra)
{

	int *parms = (int *)extra;
	int enable = (parms[0] > 0);
	short prev = ieee->raw_tx;

	down(&ieee->wx_sem);

	if(enable)
		ieee->raw_tx = 1;
	else
		ieee->raw_tx = 0;

	printk(KERN_INFO"raw TX is %s\n",
	      ieee->raw_tx ? "enabled" : "disabled");

	if(ieee->iw_mode == IW_MODE_MONITOR)
	{
		if(prev == 0 && ieee->raw_tx){
			if (ieee->data_hard_resume)
				ieee->data_hard_resume(ieee->dev);

			netif_carrier_on(ieee->dev);
		}

		if(prev && ieee->raw_tx == 1)
			netif_carrier_off(ieee->dev);
	}

	up(&ieee->wx_sem);

	return 0;
}

int ieee80211_wx_get_name(struct ieee80211_device *ieee,
			     struct iw_request_info *info,
			     union iwreq_data *wrqu, char *extra)
{
	strcpy(wrqu->name, "802.11");
	if(ieee->modulation & IEEE80211_CCK_MODULATION)
		strcat(wrqu->name, "b");
	if(ieee->modulation & IEEE80211_OFDM_MODULATION)
		strcat(wrqu->name, "g");
	if (ieee->mode & (IEEE_N_24G | IEEE_N_5G))
		strcat(wrqu->name, "n");
	return 0;
}


/* this is mostly stolen from hostap */
int ieee80211_wx_set_power(struct ieee80211_device *ieee,
				 struct iw_request_info *info,
				 union iwreq_data *wrqu, char *extra)
{
	int ret = 0;
#if 1
	if(
		(!ieee->sta_wake_up) ||
	//	(!ieee->ps_request_tx_ack) ||
		(!ieee->enter_sleep_state) ||
		(!ieee->ps_is_queue_empty)){

	//	printk("ERROR. PS mode is tryied to be use but driver missed a callback\n\n");

		return -1;
	}
#endif
	down(&ieee->wx_sem);

	if (wrqu->power.disabled){
		ieee->ps = IEEE80211_PS_DISABLED;
		goto exit;
	}
	if (wrqu->power.flags & IW_POWER_TIMEOUT) {
		//ieee->ps_period = wrqu->power.value / 1000;
		ieee->ps_timeout = wrqu->power.value / 1000;
	}

	if (wrqu->power.flags & IW_POWER_PERIOD) {

		//ieee->ps_timeout = wrqu->power.value / 1000;
		ieee->ps_period = wrqu->power.value / 1000;
		//wrq->value / 1024;

	}
	switch (wrqu->power.flags & IW_POWER_MODE) {
	case IW_POWER_UNICAST_R:
		ieee->ps = IEEE80211_PS_UNICAST;
		break;
	case IW_POWER_MULTICAST_R:
		ieee->ps = IEEE80211_PS_MBCAST;
		break;
	case IW_POWER_ALL_R:
		ieee->ps = IEEE80211_PS_UNICAST | IEEE80211_PS_MBCAST;
		break;

	case IW_POWER_ON:
	//	ieee->ps = IEEE80211_PS_DISABLED;
		break;

	default:
		ret = -EINVAL;
		goto exit;

	}
exit:
	up(&ieee->wx_sem);
	return ret;

}

/* this is stolen from hostap */
int ieee80211_wx_get_power(struct ieee80211_device *ieee,
				 struct iw_request_info *info,
				 union iwreq_data *wrqu, char *extra)
{
	int ret =0;

	down(&ieee->wx_sem);

	if(ieee->ps == IEEE80211_PS_DISABLED){
		wrqu->power.disabled = 1;
		goto exit;
	}

	wrqu->power.disabled = 0;

	if ((wrqu->power.flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
		wrqu->power.flags = IW_POWER_TIMEOUT;
		wrqu->power.value = ieee->ps_timeout * 1000;
	} else {
//		ret = -EOPNOTSUPP;
//		goto exit;
		wrqu->power.flags = IW_POWER_PERIOD;
		wrqu->power.value = ieee->ps_period * 1000;
//ieee->current_network.dtim_period * ieee->current_network.beacon_interval * 1024;
	}

       if ((ieee->ps & (IEEE80211_PS_MBCAST | IEEE80211_PS_UNICAST)) == (IEEE80211_PS_MBCAST | IEEE80211_PS_UNICAST))
	   	wrqu->power.flags |= IW_POWER_ALL_R;
	else if (ieee->ps & IEEE80211_PS_MBCAST)
		wrqu->power.flags |= IW_POWER_MULTICAST_R;
	else
		wrqu->power.flags |= IW_POWER_UNICAST_R;

exit:
	up(&ieee->wx_sem);
	return ret;

}
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
//EXPORT_SYMBOL(ieee80211_wx_get_essid);
//EXPORT_SYMBOL(ieee80211_wx_set_essid);
//EXPORT_SYMBOL(ieee80211_wx_set_rate);
//EXPORT_SYMBOL(ieee80211_wx_get_rate);
//EXPORT_SYMBOL(ieee80211_wx_set_wap);
//EXPORT_SYMBOL(ieee80211_wx_get_wap);
//EXPORT_SYMBOL(ieee80211_wx_set_mode);
//EXPORT_SYMBOL(ieee80211_wx_get_mode);
//EXPORT_SYMBOL(ieee80211_wx_set_scan);
//EXPORT_SYMBOL(ieee80211_wx_get_freq);
//EXPORT_SYMBOL(ieee80211_wx_set_freq);
//EXPORT_SYMBOL(ieee80211_wx_set_rawtx);
//EXPORT_SYMBOL(ieee80211_wx_get_name);
//EXPORT_SYMBOL(ieee80211_wx_set_power);
//EXPORT_SYMBOL(ieee80211_wx_get_power);
//EXPORT_SYMBOL(ieee80211_wlan_frequencies);
//EXPORT_SYMBOL(ieee80211_wx_set_rts);
//EXPORT_SYMBOL(ieee80211_wx_get_rts);
#else
EXPORT_SYMBOL_NOVERS(ieee80211_wx_get_essid);
EXPORT_SYMBOL_NOVERS(ieee80211_wx_set_essid);
EXPORT_SYMBOL_NOVERS(ieee80211_wx_set_rate);
EXPORT_SYMBOL_NOVERS(ieee80211_wx_get_rate);
EXPORT_SYMBOL_NOVERS(ieee80211_wx_set_wap);
EXPORT_SYMBOL_NOVERS(ieee80211_wx_get_wap);
EXPORT_SYMBOL_NOVERS(ieee80211_wx_set_mode);
EXPORT_SYMBOL_NOVERS(ieee80211_wx_get_mode);
EXPORT_SYMBOL_NOVERS(ieee80211_wx_set_scan);
EXPORT_SYMBOL_NOVERS(ieee80211_wx_get_freq);
EXPORT_SYMBOL_NOVERS(ieee80211_wx_set_freq);
EXPORT_SYMBOL_NOVERS(ieee80211_wx_set_rawtx);
EXPORT_SYMBOL_NOVERS(ieee80211_wx_get_name);
EXPORT_SYMBOL_NOVERS(ieee80211_wx_set_power);
EXPORT_SYMBOL_NOVERS(ieee80211_wx_get_power);
EXPORT_SYMBOL_NOVERS(ieee80211_wlan_frequencies);
EXPORT_SYMBOL_NOVERS(ieee80211_wx_set_rts);
EXPORT_SYMBOL_NOVERS(ieee80211_wx_get_rts);
#endif
Commit	Line	Data
ecdfa446 GKH	1	/* IEEE 802.11 SoftMAC layer
	2	* Copyright (c) 2005 Andrea Merello <andreamrl@tiscali.it>
	3	*
	4	* Mostly extracted from the rtl8180-sa2400 driver for the
	5	* in-kernel generic ieee802.11 stack.
	6	*
	7	* Some pieces of code might be stolen from ipw2100 driver
	8	* copyright of who own it's copyright ;-)
	9	*
	10	* PS wx handler mostly stolen from hostap, copyright who
	11	* own it's copyright ;-)
	12	*
	13	* released under the GPL
	14	*/
	15
	16
	17	#include "ieee80211.h"
	18	#ifdef ENABLE_DOT11D
	19	#include "dot11d.h"
	20	#endif
	21	/* FIXME: add A freqs */
	22
	23	const long ieee80211_wlan_frequencies[] = {
	24	2412, 2417, 2422, 2427,
	25	2432, 2437, 2442, 2447,
	26	2452, 2457, 2462, 2467,
	27	2472, 2484
	28	};
	29
	30
	31	int ieee80211_wx_set_freq(struct ieee80211_device ieee, struct iw_request_info a,
	32	union iwreq_data wrqu, char b)
	33	{
	34	int ret;
	35	struct iw_freq *fwrq = & wrqu->freq;
	36
	37	down(&ieee->wx_sem);
	38
	39	if(ieee->iw_mode == IW_MODE_INFRA){
	40	ret = -EOPNOTSUPP;
	41	goto out;
	42	}
	43
	44	/* if setting by freq convert to channel */
	45	if (fwrq->e == 1) {
	46	if ((fwrq->m >= (int) 2.412e8 &&
	47	fwrq->m <= (int) 2.487e8)) {
	48	int f = fwrq->m / 100000;
	49	int c = 0;
	50
	51	while ((c < 14) && (f != ieee80211_wlan_frequencies[c]))
	52	c++;
	53
	54	/* hack to fall through */
	55	fwrq->e = 0;
	56	fwrq->m = c + 1;
	57	}
	58	}
	59
	60	if (fwrq->e > 0 \|\| fwrq->m > 14 \|\| fwrq->m < 1 ){
	61	ret = -EOPNOTSUPP;
	62	goto out;
	63
	64	}else { /* Set the channel */
65
66	#ifdef ENABLE_DOT11D
67	if (!(GET_DOT11D_INFO(ieee)->channel_map)[fwrq->m]) {
68	ret = -EINVAL;
69	goto out;
70	}
71	#endif
72	ieee->current_network.channel = fwrq->m;
73	ieee->set_chan(ieee->dev, ieee->current_network.channel);
74
75	if(ieee->iw_mode == IW_MODE_ADHOC \|\| ieee->iw_mode == IW_MODE_MASTER)
76	if(ieee->state == IEEE80211_LINKED){
77
78	ieee80211_stop_send_beacons(ieee);
79	ieee80211_start_send_beacons(ieee);
80	}
81	}
82
83	ret = 0;
84	out:
85	up(&ieee->wx_sem);
86	return ret;
87	}
88
89
90	int ieee80211_wx_get_freq(struct ieee80211_device *ieee,
91	struct iw_request_info *a,
92	union iwreq_data wrqu, char b)
93	{
94	struct iw_freq *fwrq = & wrqu->freq;
95
96	if (ieee->current_network.channel == 0)
97	return -1;
98	//NM 0.7.0 will not accept channel any more.
99	fwrq->m = ieee80211_wlan_frequencies[ieee->current_network.channel-1] * 100000;
100	fwrq->e = 1;
101	// fwrq->m = ieee->current_network.channel;
102	// fwrq->e = 0;
103
104	return 0;
105	}
106
107	int ieee80211_wx_get_wap(struct ieee80211_device *ieee,
108	struct iw_request_info *info,
109	union iwreq_data wrqu, char extra)
110	{
111	unsigned long flags;
112	wrqu->ap_addr.sa_family = ARPHRD_ETHER;
113
114	if (ieee->iw_mode == IW_MODE_MONITOR)
115	return -1;
116
117	/* We want avoid to give to the user inconsistent infos*/
118	spin_lock_irqsave(&ieee->lock, flags);
119
120	if (ieee->state != IEEE80211_LINKED &&
121	ieee->state != IEEE80211_LINKED_SCANNING &&
122	ieee->wap_set == 0)
123
124	memset(wrqu->ap_addr.sa_data, 0, ETH_ALEN);
125	else
126	memcpy(wrqu->ap_addr.sa_data,
127	ieee->current_network.bssid, ETH_ALEN);
128
129	spin_unlock_irqrestore(&ieee->lock, flags);
130
131	return 0;
132	}
133
134
135	int ieee80211_wx_set_wap(struct ieee80211_device *ieee,
136	struct iw_request_info *info,
137	union iwreq_data *awrq,
138	char *extra)
139	{
140
141	int ret = 0;
142	u8 zero[] = {0,0,0,0,0,0};
143	unsigned long flags;
144
145	short ifup = ieee->proto_started;//dev->flags & IFF_UP;
146	struct sockaddr temp = (struct sockaddr )awrq;
147
148	ieee->sync_scan_hurryup = 1;
149
150	down(&ieee->wx_sem);
151	/* use ifconfig hw ether */
152	if (ieee->iw_mode == IW_MODE_MASTER){
153	ret = -1;
154	goto out;
155	}
156
157	if (temp->sa_family != ARPHRD_ETHER){
158	ret = -EINVAL;
159	goto out;
160	}
161
162	if (ifup)
163	ieee80211_stop_protocol(ieee);
164
165	/* just to avoid to give inconsistent infos in the
166	* get wx method. not really needed otherwise
167	*/
168	spin_lock_irqsave(&ieee->lock, flags);
169
170	memcpy(ieee->current_network.bssid, temp->sa_data, ETH_ALEN);
171	ieee->wap_set = memcmp(temp->sa_data, zero,ETH_ALEN)!=0;
172
173	spin_unlock_irqrestore(&ieee->lock, flags);
174
175	if (ifup)
176	ieee80211_start_protocol(ieee);
177	out:
178	up(&ieee->wx_sem);
179	return ret;
180	}
181
182	int ieee80211_wx_get_essid(struct ieee80211_device ieee, struct iw_request_info a,union iwreq_data wrqu,char b)
183	{
184	int len,ret = 0;
185	unsigned long flags;
186
187	if (ieee->iw_mode == IW_MODE_MONITOR)
188	return -1;
189
190	/* We want avoid to give to the user inconsistent infos*/
191	spin_lock_irqsave(&ieee->lock, flags);
192
193	if (ieee->current_network.ssid[0] == '\0' \|\|
194	ieee->current_network.ssid_len == 0){
195	ret = -1;
196	goto out;
197	}
198
199	if (ieee->state != IEEE80211_LINKED &&
200	ieee->state != IEEE80211_LINKED_SCANNING &&
201	ieee->ssid_set == 0){
202	ret = -1;
203	goto out;
204	}
205	len = ieee->current_network.ssid_len;
206	wrqu->essid.length = len;
207	strncpy(b,ieee->current_network.ssid,len);
208	wrqu->essid.flags = 1;
209
210	out:
211	spin_unlock_irqrestore(&ieee->lock, flags);
212
213	return ret;
214
215	}
216
217	int ieee80211_wx_set_rate(struct ieee80211_device *ieee,
218	struct iw_request_info *info,
219	union iwreq_data wrqu, char extra)
220	{
221
222	u32 target_rate = wrqu->bitrate.value;
223
224	ieee->rate = target_rate/100000;
225	//FIXME: we might want to limit rate also in management protocols.
226	return 0;
227	}
228
229
230
231	int ieee80211_wx_get_rate(struct ieee80211_device *ieee,
232	struct iw_request_info *info,
233	union iwreq_data wrqu, char extra)
234	{
235	u32 tmp_rate;
236	#if 0
237	printk("===>mode:%d, halfNmode:%d\n", ieee->mode, ieee->bHalfWirelessN24GMode);
238	if (ieee->mode & (IEEE_A \| IEEE_B \| IEEE_G))
239	tmp_rate = ieee->rate;
240	else if (ieee->mode & IEEE_N_5G)
241	tmp_rate = 580;
242	else if (ieee->mode & IEEE_N_24G)
243	{
244	if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
245	tmp_rate = HTHalfMcsToDataRate(ieee, 15);
246	else
247	tmp_rate = HTMcsToDataRate(ieee, 15);
248	}
249	#else
250	tmp_rate = TxCountToDataRate(ieee, ieee->softmac_stats.CurrentShowTxate);
251
252	#endif
253	wrqu->bitrate.value = tmp_rate * 500000;
254
255	return 0;
256	}
257
258
259	int ieee80211_wx_set_rts(struct ieee80211_device *ieee,
260	struct iw_request_info *info,
261	union iwreq_data wrqu, char extra)
262	{
263	if (wrqu->rts.disabled \|\| !wrqu->rts.fixed)
264	ieee->rts = DEFAULT_RTS_THRESHOLD;
265	else
266	{
267	if (wrqu->rts.value < MIN_RTS_THRESHOLD \|\|
268	wrqu->rts.value > MAX_RTS_THRESHOLD)
269	return -EINVAL;
270	ieee->rts = wrqu->rts.value;
271	}
272	return 0;
273	}
274
275	int ieee80211_wx_get_rts(struct ieee80211_device *ieee,
276	struct iw_request_info *info,
277	union iwreq_data wrqu, char extra)
278	{
279	wrqu->rts.value = ieee->rts;
280	wrqu->rts.fixed = 0; /* no auto select */
281	wrqu->rts.disabled = (wrqu->rts.value == DEFAULT_RTS_THRESHOLD);
282	return 0;
283	}
284	int ieee80211_wx_set_mode(struct ieee80211_device ieee, struct iw_request_info a,
285	union iwreq_data wrqu, char b)
286	{
287
288	ieee->sync_scan_hurryup = 1;
289
290	down(&ieee->wx_sem);
291
292	if (wrqu->mode == ieee->iw_mode)
293	goto out;
294
295	if (wrqu->mode == IW_MODE_MONITOR){
296
297	ieee->dev->type = ARPHRD_IEEE80211;
298	}else{
299	ieee->dev->type = ARPHRD_ETHER;
300	}
301
302	if (!ieee->proto_started){
303	ieee->iw_mode = wrqu->mode;
304	}else{
305	ieee80211_stop_protocol(ieee);
306	ieee->iw_mode = wrqu->mode;
307	ieee80211_start_protocol(ieee);
308	}
309
310	out:
311	up(&ieee->wx_sem);
312	return 0;
313	}
314
315	#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
316	void ieee80211_wx_sync_scan_wq(struct work_struct *work)
317	{
318	struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, wx_sync_scan_wq);
319	#else
320	void ieee80211_wx_sync_scan_wq(struct ieee80211_device *ieee)
321	{
322	#endif
323	short chan;
324	HT_EXTCHNL_OFFSET chan_offset=0;
325	HT_CHANNEL_WIDTH bandwidth=0;
326	int b40M = 0;
327	static int count = 0;
328	chan = ieee->current_network.channel;
329	netif_carrier_off(ieee->dev);
330
331	if (ieee->data_hard_stop)
332	ieee->data_hard_stop(ieee->dev);
333
334	ieee80211_stop_send_beacons(ieee);
335
336	ieee->state = IEEE80211_LINKED_SCANNING;
337	ieee->link_change(ieee->dev);
338	ieee->InitialGainHandler(ieee->dev,IG_Backup);
339	if (ieee->pHTInfo->bCurrentHTSupport && ieee->pHTInfo->bEnableHT && ieee->pHTInfo->bCurBW40MHz) {
340	b40M = 1;
341	chan_offset = ieee->pHTInfo->CurSTAExtChnlOffset;
342	bandwidth = (HT_CHANNEL_WIDTH)ieee->pHTInfo->bCurBW40MHz;
343	printk("Scan in 40M, force to 20M first:%d, %d\n", chan_offset, bandwidth);
344	ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20, HT_EXTCHNL_OFFSET_NO_EXT);
345	}
346	ieee80211_start_scan_syncro(ieee);
347	if (b40M) {
348	printk("Scan in 20M, back to 40M\n");
349	if (chan_offset == HT_EXTCHNL_OFFSET_UPPER)
350	ieee->set_chan(ieee->dev, chan + 2);
351	else if (chan_offset == HT_EXTCHNL_OFFSET_LOWER)
352	ieee->set_chan(ieee->dev, chan - 2);
353	else
354	ieee->set_chan(ieee->dev, chan);
355	ieee->SetBWModeHandler(ieee->dev, bandwidth, chan_offset);
356	} else {
357	ieee->set_chan(ieee->dev, chan);
358	}
359
360	ieee->InitialGainHandler(ieee->dev,IG_Restore);
361	ieee->state = IEEE80211_LINKED;
362	ieee->link_change(ieee->dev);
363	// To prevent the immediately calling watch_dog after scan.
364	if(ieee->LinkDetectInfo.NumRecvBcnInPeriod==0\|\|ieee->LinkDetectInfo.NumRecvDataInPeriod==0 )
365	{
366	ieee->LinkDetectInfo.NumRecvBcnInPeriod = 1;
367	ieee->LinkDetectInfo.NumRecvDataInPeriod= 1;
368	}
369	if (ieee->data_hard_resume)
370	ieee->data_hard_resume(ieee->dev);
371
372	if(ieee->iw_mode == IW_MODE_ADHOC \|\| ieee->iw_mode == IW_MODE_MASTER)
373	ieee80211_start_send_beacons(ieee);
374
375	netif_carrier_on(ieee->dev);
376	count = 0;
377	up(&ieee->wx_sem);
378
379	}
380
381	int ieee80211_wx_set_scan(struct ieee80211_device ieee, struct iw_request_info a,
382	union iwreq_data wrqu, char b)
383	{
384	int ret = 0;
385
386	down(&ieee->wx_sem);
387
388	if (ieee->iw_mode == IW_MODE_MONITOR \|\| !(ieee->proto_started)){
389	ret = -1;
390	goto out;
391	}
392
393	if ( ieee->state == IEEE80211_LINKED){
394	#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
395	queue_work(ieee->wq, &ieee->wx_sync_scan_wq);
396	#else
397	schedule_task(&ieee->wx_sync_scan_wq);
398	#endif
399	/* intentionally forget to up sem */
400	return 0;
401	}
402
403	out:
404	up(&ieee->wx_sem);
405	return ret;
406	}
407
408	int ieee80211_wx_set_essid(struct ieee80211_device *ieee,
409	struct iw_request_info *a,
410	union iwreq_data wrqu, char extra)
411	{
412
413	int ret=0,len;
414	short proto_started;
415	unsigned long flags;
416
417	ieee->sync_scan_hurryup = 1;
418	down(&ieee->wx_sem);
419
420	proto_started = ieee->proto_started;
421
422	if (wrqu->essid.length > IW_ESSID_MAX_SIZE){
423	ret= -E2BIG;
424	goto out;
425	}
426
427	if (ieee->iw_mode == IW_MODE_MONITOR){
428	ret= -1;
429	goto out;
430	}
431
432	if(proto_started)
433	ieee80211_stop_protocol(ieee);
434
435
436	/* this is just to be sure that the GET wx callback
437	* has consisten infos. not needed otherwise
438	*/
439	spin_lock_irqsave(&ieee->lock, flags);
440
441	if (wrqu->essid.flags && wrqu->essid.length) {
442	//first flush current network.ssid
443	len = ((wrqu->essid.length-1) < IW_ESSID_MAX_SIZE) ? (wrqu->essid.length-1) : IW_ESSID_MAX_SIZE;
444	#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
445	strncpy(ieee->current_network.ssid, extra, len);
446	ieee->current_network.ssid_len = len;
447	#if 0
448	{
449	int i;
450	for (i=0; i<len; i++)
451	printk("%c ", extra[i]);
452	printk("\n");
453	}
454	#endif
455	#else
456	strncpy(ieee->current_network.ssid, extra, len+1);
457	ieee->current_network.ssid_len = len+1;
458	#if 0
459	{
460	int i;
461	for (i=0; i<len + 1; i++)
462	printk("%c ", extra[i]);
463	printk("\n");
464	}
465	#endif
466	#endif
467	ieee->ssid_set = 1;
468	}
469	else{
470	ieee->ssid_set = 0;
471	ieee->current_network.ssid[0] = '\0';
472	ieee->current_network.ssid_len = 0;
473	}
474	spin_unlock_irqrestore(&ieee->lock, flags);
475
476	if (proto_started)
477	ieee80211_start_protocol(ieee);
478	out:
479	up(&ieee->wx_sem);
480	return ret;
481	}
482
483	int ieee80211_wx_get_mode(struct ieee80211_device ieee, struct iw_request_info a,
484	union iwreq_data wrqu, char b)
485	{
486
487	wrqu->mode = ieee->iw_mode;
488	return 0;
489	}
490
491	int ieee80211_wx_set_rawtx(struct ieee80211_device *ieee,
492	struct iw_request_info *info,
493	union iwreq_data wrqu, char extra)
494	{
495
496	int parms = (int )extra;
497	int enable = (parms[0] > 0);
498	short prev = ieee->raw_tx;
499
500	down(&ieee->wx_sem);
501
502	if(enable)
503	ieee->raw_tx = 1;
504	else
505	ieee->raw_tx = 0;
506
507	printk(KERN_INFO"raw TX is %s\n",
508	ieee->raw_tx ? "enabled" : "disabled");
509
510	if(ieee->iw_mode == IW_MODE_MONITOR)
511	{
512	if(prev == 0 && ieee->raw_tx){
513	if (ieee->data_hard_resume)
514	ieee->data_hard_resume(ieee->dev);
515
516	netif_carrier_on(ieee->dev);
517	}
518
519	if(prev && ieee->raw_tx == 1)
520	netif_carrier_off(ieee->dev);
521	}
522
523	up(&ieee->wx_sem);
524
525	return 0;
526	}
527
528	int ieee80211_wx_get_name(struct ieee80211_device *ieee,
529	struct iw_request_info *info,
530	union iwreq_data wrqu, char extra)
531	{
532	strcpy(wrqu->name, "802.11");
3ef5a262	533	if(ieee->modulation & IEEE80211_CCK_MODULATION)
ecdfa446	534	strcat(wrqu->name, "b");
3ef5a262	535	if(ieee->modulation & IEEE80211_OFDM_MODULATION)
ecdfa446 GKH	536	strcat(wrqu->name, "g");
ecdfa446 GKH	537	if (ieee->mode & (IEEE_N_24G \| IEEE_N_5G))
3ef5a262	538	strcat(wrqu->name, "n");
ecdfa446 GKH	539	return 0;
	540	}
	541
	542
	543	/* this is mostly stolen from hostap */
	544	int ieee80211_wx_set_power(struct ieee80211_device *ieee,
	545	struct iw_request_info *info,
	546	union iwreq_data wrqu, char extra)
	547	{
	548	int ret = 0;
	549	#if 1
	550	if(
	551	(!ieee->sta_wake_up) \|\|
	552	// (!ieee->ps_request_tx_ack) \|\|
	553	(!ieee->enter_sleep_state) \|\|
	554	(!ieee->ps_is_queue_empty)){
	555
	556	// printk("ERROR. PS mode is tryied to be use but driver missed a callback\n\n");
	557
	558	return -1;
	559	}
	560	#endif
	561	down(&ieee->wx_sem);
	562
	563	if (wrqu->power.disabled){
	564	ieee->ps = IEEE80211_PS_DISABLED;
	565	goto exit;
	566	}
	567	if (wrqu->power.flags & IW_POWER_TIMEOUT) {
	568	//ieee->ps_period = wrqu->power.value / 1000;
	569	ieee->ps_timeout = wrqu->power.value / 1000;
	570	}
	571
	572	if (wrqu->power.flags & IW_POWER_PERIOD) {
	573
	574	//ieee->ps_timeout = wrqu->power.value / 1000;
	575	ieee->ps_period = wrqu->power.value / 1000;
	576	//wrq->value / 1024;
	577
	578	}
	579	switch (wrqu->power.flags & IW_POWER_MODE) {
	580	case IW_POWER_UNICAST_R:
	581	ieee->ps = IEEE80211_PS_UNICAST;
	582	break;
	583	case IW_POWER_MULTICAST_R:
	584	ieee->ps = IEEE80211_PS_MBCAST;
	585	break;
	586	case IW_POWER_ALL_R:
	587	ieee->ps = IEEE80211_PS_UNICAST \| IEEE80211_PS_MBCAST;
	588	break;
	589
	590	case IW_POWER_ON:
	591	// ieee->ps = IEEE80211_PS_DISABLED;
	592	break;
	593
	594	default:
	595	ret = -EINVAL;
	596	goto exit;
	597
	598	}
	599	exit:
	600	up(&ieee->wx_sem);
	601	return ret;
	602
603	}
604
605	/* this is stolen from hostap */
606	int ieee80211_wx_get_power(struct ieee80211_device *ieee,
607	struct iw_request_info *info,
608	union iwreq_data wrqu, char extra)
609	{
610	int ret =0;
611
612	down(&ieee->wx_sem);
613
614	if(ieee->ps == IEEE80211_PS_DISABLED){
615	wrqu->power.disabled = 1;
616	goto exit;
617	}
618
619	wrqu->power.disabled = 0;
620
621	if ((wrqu->power.flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
622	wrqu->power.flags = IW_POWER_TIMEOUT;
623	wrqu->power.value = ieee->ps_timeout * 1000;
624	} else {
625	// ret = -EOPNOTSUPP;
626	// goto exit;
627	wrqu->power.flags = IW_POWER_PERIOD;
628	wrqu->power.value = ieee->ps_period * 1000;
629	//ieee->current_network.dtim_period * ieee->current_network.beacon_interval * 1024;
630	}
631
632	if ((ieee->ps & (IEEE80211_PS_MBCAST \| IEEE80211_PS_UNICAST)) == (IEEE80211_PS_MBCAST \| IEEE80211_PS_UNICAST))
633	wrqu->power.flags \|= IW_POWER_ALL_R;
634	else if (ieee->ps & IEEE80211_PS_MBCAST)
635	wrqu->power.flags \|= IW_POWER_MULTICAST_R;
636	else
637	wrqu->power.flags \|= IW_POWER_UNICAST_R;
638
639	exit:
640	up(&ieee->wx_sem);
641	return ret;
642
643	}
644	#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
645	//EXPORT_SYMBOL(ieee80211_wx_get_essid);
646	//EXPORT_SYMBOL(ieee80211_wx_set_essid);
647	//EXPORT_SYMBOL(ieee80211_wx_set_rate);
648	//EXPORT_SYMBOL(ieee80211_wx_get_rate);
649	//EXPORT_SYMBOL(ieee80211_wx_set_wap);
650	//EXPORT_SYMBOL(ieee80211_wx_get_wap);
651	//EXPORT_SYMBOL(ieee80211_wx_set_mode);
652	//EXPORT_SYMBOL(ieee80211_wx_get_mode);
653	//EXPORT_SYMBOL(ieee80211_wx_set_scan);
654	//EXPORT_SYMBOL(ieee80211_wx_get_freq);
655	//EXPORT_SYMBOL(ieee80211_wx_set_freq);
656	//EXPORT_SYMBOL(ieee80211_wx_set_rawtx);
657	//EXPORT_SYMBOL(ieee80211_wx_get_name);
658	//EXPORT_SYMBOL(ieee80211_wx_set_power);
659	//EXPORT_SYMBOL(ieee80211_wx_get_power);
660	//EXPORT_SYMBOL(ieee80211_wlan_frequencies);
661	//EXPORT_SYMBOL(ieee80211_wx_set_rts);
662	//EXPORT_SYMBOL(ieee80211_wx_get_rts);
663	#else
664	EXPORT_SYMBOL_NOVERS(ieee80211_wx_get_essid);
665	EXPORT_SYMBOL_NOVERS(ieee80211_wx_set_essid);
666	EXPORT_SYMBOL_NOVERS(ieee80211_wx_set_rate);
667	EXPORT_SYMBOL_NOVERS(ieee80211_wx_get_rate);
668	EXPORT_SYMBOL_NOVERS(ieee80211_wx_set_wap);
669	EXPORT_SYMBOL_NOVERS(ieee80211_wx_get_wap);
670	EXPORT_SYMBOL_NOVERS(ieee80211_wx_set_mode);
671	EXPORT_SYMBOL_NOVERS(ieee80211_wx_get_mode);
672	EXPORT_SYMBOL_NOVERS(ieee80211_wx_set_scan);
673	EXPORT_SYMBOL_NOVERS(ieee80211_wx_get_freq);
674	EXPORT_SYMBOL_NOVERS(ieee80211_wx_set_freq);
675	EXPORT_SYMBOL_NOVERS(ieee80211_wx_set_rawtx);
676	EXPORT_SYMBOL_NOVERS(ieee80211_wx_get_name);
677	EXPORT_SYMBOL_NOVERS(ieee80211_wx_set_power);
678	EXPORT_SYMBOL_NOVERS(ieee80211_wx_get_power);
679	EXPORT_SYMBOL_NOVERS(ieee80211_wlan_frequencies);
680	EXPORT_SYMBOL_NOVERS(ieee80211_wx_set_rts);
681	EXPORT_SYMBOL_NOVERS(ieee80211_wx_get_rts);
682	#endif